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stainless steel welded elbow  A403 WP 321-321H ASTM/ASME A403 WP347-347H 304 316
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stainless steel welded elbow A403 WP 321-321H ASTM/ASME A403 WP347-347H 304 316 

           (Welded butt welding elbow English here) are steel hot-pressing molding or bend forging forming, its connection form is directly to the elbow and steel pipe butt welding.Butt welding elbow can be divided into long radius butt welding elbow and short radius butt welding elbow according to its radius of curvature.According to the pressure grade, there are about 17 kinds of pipes, which are the same as the American pipe standard. The most commonly used ones are STD and XS.According to the Angle of the elbow, there are 45 degree butt welding elbow, 90 degree butt welding elbow and 180 degree butt welding elbow and other different angles of the elbow;According to the material: carbon steel, alloy steel and stainless steel.

          English (Welded butt welding elbow here) are steel hot-pressing molding or bend forging forming, its connection form is directly to the elbow and the steel pipe butt welding, butt welding elbow's main manufacturing standards are generally GB/T13401-2005, GB/T12459-2005, ASME B16.9, SH3409, HG/T21635, HG/T21631, SY/T0510, GB/T10752-1995.

 


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